FSSC 22000 vs ISO 22000: Which Food Safety Certification Do You Need?

Two Standards, One Goal, Very Different Paths

If you work in food manufacturing, food packaging, or anywhere along the food supply chain, you have almost certainly come across both ISO 22000 and FSSC 22000. On the surface, they look like cousins. Both deal with food safety management systems. Both use hazard analysis. Both require documented controls and ongoing verification. But they are not interchangeable, and choosing the wrong one for your situation can cost you contracts, delay certification, or leave you rebuilding your system from scratch.

This article cuts through the confusion. We will look at what each standard actually requires, where they overlap, where they diverge, and how to decide which certification path makes sense for your organisation. We will also touch on what auditors look for under each scheme, because understanding the audit expectations shapes how you build and maintain your system.

What Is ISO 22000?

ISO 22000 is an international standard published by the International Organisation for Standardisation. It specifies requirements for a food safety management system that can be applied across the entire food chain, from primary producers and ingredient suppliers through to manufacturers, distributors, retailers, and food service operators.

The current version is ISO 22000:2018. Like other modern ISO standards, it follows the harmonised structure, which means its clause numbering aligns with ISO 9001, ISO 14001, and ISO 45001. That makes it easier to integrate with other management systems if your organisation already holds or is pursuing those certifications.

ISO 22000 combines two core elements:

• Prerequisite programmes (PRPs): The basic conditions and activities necessary to maintain a hygienic environment throughout the food chain. These include hygiene, pest control, cleaning, maintenance, and similar controls.
• Hazard analysis and critical control points (HACCP): The systematic approach to identifying, evaluating, and controlling food safety hazards at critical points in the process.

ISO 22000 is a genuinely complete food safety management system standard. Certification to it demonstrates that your organisation has a structured, documented approach to managing food safety risks. It is recognised internationally and accepted by many customers and regulators as evidence of a serious food safety commitment.

For a deeper look at what the standard covers clause by clause, see our article on What Is ISO 22000 and Who Needs It.

What Is FSSC 22000?

FSSC 22000 stands for Food Safety System Certification 22000. It is a certification scheme developed and managed by the Foundation FSSC, a non-profit organisation based in the Netherlands. FSSC 22000 is not a standard in itself. It is a scheme built on top of existing standards.

At its core, FSSC 22000 combines:

• ISO 22000:2018 as the management system foundation
• Sector specific PRP standards such as ISO/TS 22002-1 for food manufacturing, ISO/TS 22002-2 for catering, ISO/TS 22002-4 for food packaging manufacturing, and others depending on your sector
• Additional FSSC 22000 requirements that sit on top of both

The current version is FSSC 22000 Version 6, published in 2023. Each new version of the scheme adds or refines requirements, so organisations certified under older versions need to transition within a defined window.

FSSC 22000 is recognised by the Global Food Safety Initiative (GFSI). That recognition is the single most important practical difference between the two schemes for many food businesses. GFSI benchmarking means that major retailers, food service companies, and global brand owners who require GFSI recognised certification will accept FSSC 22000 but will not accept standalone ISO 22000.

The GFSI Recognition Factor

GFSI is not a certification body. It is an industry initiative managed by the Consumer Goods Forum that benchmarks food safety certification schemes against its requirements. Schemes that meet the benchmark are listed as GFSI recognised.

FSSC 22000 is GFSI recognised. ISO 22000 alone is not.

In practical terms, this means:

• If you supply to Woolworths, Coles, Aldi, McDonald's, or most major global food brands, they will almost certainly require a GFSI recognised certification. ISO 22000 alone will not satisfy that requirement.
• If your customers are smaller food businesses, food service operators, or organisations that do not specify GFSI, ISO 22000 may be entirely sufficient.
• If you export to markets where GFSI recognition is a de facto entry requirement, you need FSSC 22000 or another GFSI recognised scheme.

This is not a reflection on the quality of ISO 22000 as a standard. It is simply a commercial reality of how major buyers have structured their supplier requirements.

How the Two Schemes Compare in Practice

Scope and Applicability

ISO 22000 applies across the entire food chain with no sector restrictions. A primary producer, a logistics company, a restaurant, and a food manufacturer can all certify to ISO 22000.

FSSC 22000 is more targeted. The scheme defines specific sector categories, and your organisation must fit into one of them. The main categories include food manufacturing, food packaging manufacturing, animal feed manufacturing, catering, retail and wholesale, and a few others. Each category has its own sector specific PRP standard that applies alongside ISO 22000.

If your operation does not fit neatly into a defined FSSC 22000 category, you may not be eligible for FSSC 22000 certification at all. In that case, ISO 22000 may be your only option, or you may need to look at another GFSI recognised scheme such as SQF or BRC.

PRP Requirements

This is where the practical difference between the two schemes becomes most visible during an audit.

ISO 22000 requires you to establish and maintain PRPs but gives you considerable flexibility in how you define and implement them. The standard references ISO/TS 22002 series documents as guidance but does not mandate them.

FSSC 22000 mandates the relevant sector specific ISO/TS 22002 standard. For a food manufacturer, that is ISO/TS 22002-1. These technical specifications are detailed and prescriptive. They specify exactly what your PRP programme must address, from building design and layout to water quality, waste management, pest control, and employee hygiene facilities.

In an FSSC 22000 audit, the auditor will check your PRPs against the specific requirements of ISO/TS 22002-1 (or whichever sector document applies). In an ISO 22000 audit, the auditor will assess whether your PRPs are appropriate and effective for your operation, but with more room for you to define what appropriate means.

Additional FSSC 22000 Requirements

On top of ISO 22000 and the sector specific PRP standard, FSSC 22000 Version 6 adds its own requirements. These cover areas that ISO 22000 either addresses lightly or does not address at all. Key additional requirements under Version 6 include:

• Food safety culture: You must have a defined approach to building and measuring food safety culture across the organisation. This goes beyond having a policy. Auditors will look for evidence of culture assessment, action plans, and management commitment that is visible on the shop floor.
• Food fraud prevention: You must conduct a documented vulnerability assessment and have mitigation strategies in place. This addresses the risk of economically motivated adulteration or substitution of ingredients.
• Food defence: You must assess threats to your food safety system from intentional contamination and have controls in place.
• Environmental monitoring: Particularly relevant for ready to eat products, you need a documented environmental monitoring programme for pathogens such as Listeria.
• Allergen management: More prescriptive than ISO 22000 alone, requiring documented allergen risk assessment and specific controls.
• Quality management: Version 6 introduced quality management requirements, meaning FSSC 22000 now addresses product quality as well as food safety.

These additional requirements make FSSC 22000 a more demanding certification to achieve and maintain. But they also make it more credible in the eyes of major buyers, which is precisely the point.

For a practical look at how food safety auditors assess culture and related elements, see our article on Auditing Food Safety Culture: What Auditors Should Look For.

Audit Structure and Certification Bodies

Both ISO 22000 and FSSC 22000 are third party certification schemes. You need an accredited certification body to conduct the audit and issue the certificate.

For ISO 22000, any JAS-ANZ accredited certification body (in Australia) that holds scope for food safety management systems can conduct the audit.

For FSSC 22000, the certification body must be specifically approved by the Foundation FSSC. Not all certification bodies hold FSSC 22000 approval. You need to check the Foundation FSSC website for the list of approved certification bodies in your region.

FSSC 22000 audits also involve a more structured oversight mechanism. The Foundation FSSC conducts integrity audits of certification bodies to ensure consistent application of the scheme. This adds a layer of quality assurance to the certification process but also means there is less flexibility in how auditors apply the requirements.

Which Certification Is Right for Your Organisation?

Choose FSSC 22000 If:

• Your customers include major retailers, global food brands, or food service companies that require GFSI recognised certification
• You export to markets where GFSI recognition is an entry requirement
• You want the strongest possible market signal of your food safety commitment
• Your operation fits one of the defined FSSC 22000 sector categories
• You have the resources and systems maturity to meet the additional requirements around food fraud, food defence, allergen management, and culture

Choose ISO 22000 If:

• Your customers do not specifically require GFSI recognised certification
• Your operation does not fit neatly into an FSSC 22000 sector category
• You are earlier in your food safety management system journey and want a solid foundation before adding the FSSC 22000 layer
• You operate in food service, logistics, or another part of the chain where FSSC 22000 scope is limited
• You want to integrate your food safety system with ISO 9001 or other management systems and prefer a pure ISO framework

A Practical Note on Sequencing

Some organisations certify to ISO 22000 first, then transition to FSSC 22000 once their system is mature. This is a reasonable approach if GFSI recognition is not an immediate commercial requirement. The ISO 22000 foundation transfers directly into the FSSC 22000 scheme, so the transition work is primarily about adding the sector specific PRPs and the FSSC 22000 additional requirements.

However, if you know from the outset that you will need FSSC 22000, it is more efficient to build your system to FSSC 22000 requirements from the start. Retrofitting food fraud assessments, environmental monitoring programmes, and culture measurement tools into an existing system takes more effort than building them in initially.

What Auditors Look for Under Each Scheme

Understanding the audit expectations helps you build a system that will actually pass, not just one that looks good on paper.

Under ISO 22000, auditors focus heavily on the hazard analysis process. They want to see that your team has systematically identified hazards, evaluated them against defined criteria, determined which require control, and selected appropriate control measures. The HACCP plan needs to be current, owned by people who understand it, and linked to your operational controls. PRPs need to be appropriate for your operation and verified as effective.

Under FSSC 22000, all of that applies, plus auditors will spend dedicated time on the additional requirements. Expect specific questions about how you assess and measure food safety culture, not just whether you have a policy. Expect the auditor to review your food fraud vulnerability assessment and ask how you determined which ingredients or processes are at risk. Expect a walk through of your allergen controls on the floor, not just a document review.

FSSC 22000 auditors also check that your certification body is conducting audits at the required frequency and duration. The scheme specifies minimum audit day requirements based on your organisation's size and complexity, and these are enforced more rigidly than in a standard ISO 22000 audit.

For those preparing for their first food safety certification audit, our article on Preparing for Your First ISO 22000 Certification Audit provides a practical walkthrough of what to expect.

Cost and Effort Considerations

FSSC 22000 certification costs more than ISO 22000 certification, for several reasons. The audit takes longer because there is more to cover. The scheme fees paid to the Foundation FSSC add to the certification body's costs, which are passed on to you. And the internal effort required to implement the additional requirements is significant, particularly for food fraud, food defence, and environmental monitoring.

That said, the cost comparison needs to be framed against the commercial value. If FSSC 22000 certification opens doors to major retail contracts that ISO 22000 alone would not, the return on investment can be substantial. If your market does not require GFSI recognition, paying for FSSC 22000 when ISO 22000 would suffice is simply unnecessary expense.

Building Auditor Competence in Food Safety

Whether you are a quality manager preparing your organisation for certification, an internal auditor building your audit programme, or a professional looking to add food safety auditing to your skill set, understanding the difference between these two schemes is foundational knowledge.

Internal auditors working in food businesses need to understand which scheme their organisation is certified to, because the audit criteria differ. An internal audit checklist built around ISO 22000 alone will miss the FSSC 22000 specific requirements around food fraud, food defence, and culture. That gap in your internal audit programme will eventually show up as a nonconformity in your external audit.

For professionals looking to build or expand their food safety auditing capability, Audit Workshop offers training across the ISO standards family. While our core programmes focus on ISO 9001, ISO 14001, and ISO 45001, the auditing skills developed through lead auditor and internal auditor training transfer directly into food safety auditing practice. Understanding how to plan an audit, gather evidence, conduct interviews, and write nonconformity reports is the same regardless of which standard you are auditing against.

If you are considering adding food safety auditing to your professional portfolio, our article on Adding ISO 22000 to Your Auditor Skill Set: Why Food Safety Is a Smart Move explains why this is a strategically sound career move and how to approach the transition.

Summary: The Key Differences at a Glance

• ISO 22000 is the foundation standard. It is internationally recognised, applies across the full food chain, and is a credible certification in its own right.
• FSSC 22000 builds on ISO 22000 by adding sector specific PRP requirements and additional scheme requirements around food fraud, food defence, allergen management, food safety culture, and quality management.
• GFSI recognition is the critical commercial differentiator. FSSC 22000 is GFSI recognised. ISO 22000 alone is not.
• Audit expectations are more prescriptive under FSSC 22000, particularly around the additional requirements.
• Cost and effort are higher for FSSC 22000, but the commercial return justifies it if your market requires GFSI recognition.
• Sector eligibility matters for FSSC 22000. Not all food chain organisations fit the defined categories.

The right choice depends entirely on your commercial context, your customers' requirements, and your organisation's current systems maturity. Get clear on those three things, and the decision becomes straightforward.